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Finding the Fourth Proportional to 14,250.52, 19,665.95 and 8,280.01

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Solution

The fourth proportional to 14,250.52, 19,665.95 and 8,280.01 is: 11,426.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,250.52 : 19,665.95 = 8,280.01 : x
  2. Step 2: Convert to fraction form
    14,250.52/19,665.95 = 8,280.01/x
  3. Step 3: Cross multiply
    14,250.52x = 19,665.95 × 8,280.01
  4. Step 4: Simplify right side
    14,250.52x = 162,834,262.66
  5. Step 5: Solve for x
    x = 162,834,262.66/14,250.52
  6. Step 6: Final answer
    x = 11,426.55

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.